Zug is a fascinating word in German. Meanings range from "puff" (like a locomotive), to wanderer, to tractor as a verb. Appears in Zugvogel as migratory bird.
In the senses of traveler, migration, one a bit lost, etc., I wonder if way back in the mists of language trees, Zug was related to the familiar-in-English Latinate prefix fug. As in fugitive.